38 DONS. — DU 8 NOVKMBRE AU 17 JANVIER 1887. 
N“ 5. üawson. — The Ganadian Rocky Moun tains, 2M5. 
Ami. — Occurence of Scolitlius in rocks of the Chazy Formation, 304. 
Matthew. — The Pieraspidian Fish of the silurian Rocks, 323. 
Toronto. The canadian Institute. Proceedings of the — , 3° série, 
t. IV (t. .XXII), n” 1 (n« 146). Novembre 1886. 
Nelson Date. — New England upper Silurian, 69. 
Lawson. — Qneessic Foliation, 115. 
— ■ London. Colonial and indian Exhibition, London, 1886. 
Sehvyn. — Descriptive Catalogue of a Collection of the Economie 
Minerais of Canada, in-8“, 172 p. 
Montreal. — The royal Society of — Proceedings and Tran- 
sactions for the Year 1883, t. III. 
Chapman. — On some Iron Ores of central Ontario, 9. 
Sterry Hunt. — On a natural System in Mineralogy with a Classification of 
Native Silicates, 25. 
Davson. On the mesosoic Floras of the Rocky Mountain Région of Canada, 
II, ipl, 
Chapman. — On the Wallbredge Hématite Mine, as illustrating the Stock- 
formed Mode of Occurence in certain Ore. Deposits, 23. 
Honeymann. — Qeology of Cornwallts or Mc Nab’s Island, Halfax Ilarbour, 27. 
Matthew. — Illustrations of the Fauna of the St John Group. — Continued, 
20, 3 p. 
Espagne. Madrid. Comision del Mapa geologico de Espanil. 
Boletin de la — , t. XXIII, n° 1. 
Enriciue Abella y Casariego. — Rapida descripcion fisica, geolôgica y minera 
de la Isla de Cobu (Archipelago lllipino), 187 p., 7 pl. 
M. Bertrand y W. Kilian. — Nota acerca de los terrenos jurasico y cretaceo 
de las provincias de Grdnada y MAlaga, 3 p. 
M. Lévy y Bergeron. — Las rocas cristalofidicas y arcaicas de la Andalucia 
occidental, 4 p. 
Ch. Barrois y A. Offret.'— Estructura estralignlfica de la Gordillera bétlca, 4 p. 
M. Lévy y Bergeron. — Las rocas eruptivas y los depositos estratilicadés de la 
Serrauia de Ronda, 5 p. 
Synopsis de los fosiles, 8 pl. (Cretaceo). 
Etats-Unis. New-York. Science, t. VII, n° 173-177 (juin 1886), 
N» 175. Geology of Arabie and Palestine, 535. 
N» 177. New Hampshire, the State of earthquakes, 559. 
E. Orton. — Petroleum and natural Gas as fonnd in Ohio, 560. 
^'oodward . — Is the Océan surface depresseJ î 270. 
The Formation of structurelloss Chalk by seaweeds, 575. 
Boston. Boston Society of Natural History. Proceedings of the — * 
t. XXllI, Il (mars 1884 — février 1886), ' 
Wadsworth. — Relation of the « Keweenawan Sériés to ilio Eastern Sandstonë 
in the Vicinity of Torch Lake, Mich, 172. 
— Théorie of Ore Deposits, 197. 
